Dr Richard R Riker, MD - Medicare Pulmonary Disease in South Portland, ME

Dr Richard R Riker, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in South Portland, Maine. He went to University Of Vermont College Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Chest Medicine Associates Pa and his current practice location is 100 Foden Road, West Building, Suite 103, South Portland, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 828-1122.

Dr Richard R Riker is licensed to practice in Maine (license number 012669) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1972615235.

Contact Information

Dr Richard R Riker, MD
100 Foden Road, West Building, Suite 103,
South Portland, ME 04106
(207) 828-1122
(207) 828-0188

Map and Direction




Physician's Profile

Full NameDr Richard R Riker
GenderMale
SpecialityPulmonary Disease
Experience40 Years
Location100 Foden Road, South Portland, Maine
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Richard R Riker attended and graduated from University Of Vermont College Of Medicine in 1984
  NPI Data:
  • NPI Number: 1972615235
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 01/03/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3577551985
  • Enrollment ID: I20041213000637

Medical Identifiers

Medical identifiers for Dr Richard R Riker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972615235NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 012669 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Maine Medical CenterPortland, MEHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Chest Medicine Associates Pa054725893123

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Richard R Riker allows following entities to bill medicare on his behalf.
Entity NameChest Medicine Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437255247
PECOS PAC ID: 0547258931
Enrollment ID: O20040504001161

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Richard R Riker is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Richard R Riker, MD
100 Foden Road, West Building, Suite 103,
South Portland, ME 04106

Ph: (207) 828-1122
Dr Richard R Riker, MD
100 Foden Road, West Building, Suite 103,
South Portland, ME 04106

Ph: (207) 828-1122

Reviews and Comments


Internal Medicine Doctors in South Portland, ME

Dr. Jonathan B Zuckerman, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 100 Foden Road, West Building Suite 103, South Portland, ME 04106
Phone: 207-828-1122    Fax: 207-828-0188
Laureen A Biczak, DO
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 50 Foden Rd, Ste 3, South Portland, ME 04106
Phone: 207-774-5816    Fax: 207-523-8594
Pamela Egan, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 265 Western Ave Ste 2, South Portland, ME 04106
Phone: 207-661-0200    
Lucy Rosenbaum, M.D.
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 75 John Roberts Rd Bldg B, South Portland, ME 04106
Phone: 207-775-4151    
Sylvia Vania Alarcon Velasco, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 265 Western Ave Ste 2, South Portland, ME 04106
Phone: 207-661-0200    
Dr. Christopher G Tretter, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: Mainehealth Cancer Care, 265 Western Ave Suite 2, South Portland, ME 04106
Phone: 207-661-0200    
Dr. Emily V Wood, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 50 Foden Rd, Ste 3, South Portland, ME 04106
Phone: 207-774-5816    Fax: 207-523-8594

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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